Subtract 3/16 from 8/40
8/40 - 3/16 is 1/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
8/40 = 8 × 2/40 × 2 = 16/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
3/16 = 3 × 5/16 × 5 = 15/80 - Subtract the two like fractions:
16/80 - 15/80 = 16 - 15/80 = 1/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40-3/16 8/40-6/16 8/80-3/16 8/40-3/32 24/40-3/16 8/40-9/16 8/40-3/48 8/40-15/16 8/40-3/80 56/40-3/16 8/40-21/16